24 MISC. PUBLICATION 4 2 4, U. S. DEPT. OF AGRICULTURE 



Key to Adult Females — Continued 



119. Disk pores in a marginal row dorsad of 8-shaped pores ; apical 



setae 76-80 fi long 120 



Disk pores not in a marginal row dorsad of 8-shaped pores ; 



apical setae 56-68 fi long 121 



120. Dorsal 8-shaped pores absent ; marginal row of 8-shaped pores 



terminating twice a posterior pore's length from bases of 

 apical setae, pores nearly contiguous 



delicatum (Green), p. 76. 



Dorsal 8-shaped pores numerous ; marginal row of 8-shaped pores 



terminating one-half the length of an apical seta from bases 



of setae, posteriorly pores at least twice a pore's length 



apart vulgare, new species, p. 226. 



121. (119) Insects tapering strongly from anterior third to posterior end, 



measuring 0.75-1.5 mm. long and 0.4-0.5 wide ; marginal 

 8-shaped pores rather elongate and slender, 8-9 m long and 

 about 4.5 wide ; without claws ; usually several dorsal 

 8-shaped pores in submarginal area 



aciitulum, new species, p. 38. 

 Insects not tapering strongly from anterior third to posterior 

 end, measuring around 2.25 mm. long and 0.4 wide; mar- 

 ginal 8-shaped pores not particularly elongate and slender, 

 6-8 fi long and 4-5 wide ; with 3 pairs of claws ; 1 median 

 dorsal 8-shaped pore anteriorly 



disiunctum, new species, p. 79. 



122. (118) Multilocular pores, totaling 6-12, in 2 rows ; more than 43 quin- 



quelocular pores between each spiracle and body margin 



notahile, new species, p. 140. 

 Multilocular pores, totaling at least 34, in more than 2 rows ; 

 less than 43 quinquelocular pores between each spiracle 

 and body margin 123 



123. With 22-42 quinquelocular pores in each spiracular band and 



approximately the same number in the anterior as in the 

 posterior band; apical setae 72-80 m long: dorsal 8-shaped 



pores present bambusae (Boisduval), p. 47. 



With 3-30 quinquelocular pores in a spiracular band, anterior 

 band with 12-30 and posterior band with 3-7 ; apical setae 

 28-36 n long ; dorsal 8-shaped pores present or absent 124 



124. Dorsal 8-shaped pores numerous ch inae, new species, p. 65. 



Dorsal 8-shaped pores absent 125 



125. Marginal row of 8-shaped pores terminating nearly the length 



of an apical seta from bases of setae ; 34-40 multilocular 



pores fusum, new species, p. 95. 



Marginal row of 8-shaped pores terminating about a pore's width 

 from bases of apical setae ; about 80 multilocular pores 



subdohim, new species, p. 201. 

 326. ( 114) Tubular ducts 9-12 u long ; insects 2-3 mm. long and 1-1.5 wide_ 127 

 Tubular ducts usually at least 24 ,u long, but 12 //. long in parvum, 



which is 0.5 mm. in diameter 128 



127. With 60-100 quinquelocular pores in each spiracular band; 



marginal row of 8-shaped pores terminating a pore's length 

 from bases of apical setae ; tubular ducts 9 n long ; posterior 

 third of body not conspicuously narrowed 



bambnsicola Kuwana, p. 49. 

 With 16-21 quinquelocular pores in each spiracular band; mar- 

 ginal row of 8-shaped pores terminating the length of an 

 apical seta from bases of setae ; tubular ducts 12 \x long ; 

 posterior third of body conspicuously narrowed 



spams, new species, p. 193. 



128. (126) Apical setae 16-30 fx long, not conspicuously longer than anal ring- 



setae ; atrium of spiracle enlarged and containing 2-5 quin- 

 quelocular pores 129 



Apical setae at least 38 y, long and distinctly longer than 

 anal ring setae ; atrium of spiracle not enlarged and not 

 containing pores, except in minmcum, in which it is very 

 slightly enlarged and contains 1 or 2 pores 131 



